Earlier reports Convert Day of Year

The Hubble Space Telescope

Unlocking the Secrets of the Universe

Daily Report #10865

Period Covered:
08:00 PM April 12, 2026 - 07:59 PM April 13, 2026
(DOY 103/0000z - 103/2359z)

Program Principal Investigator Program Title
Science Observations Scheduled
17410 Ryan Foley, University of California - Santa Cruz Reducing Type Ia Supernova Distance Biases by Separating Reddening and Intrinsic Color
17776 Sean Terry, University of Maryland A Precursor Survey of the Roman Galactic Bulge Time Domain Fields
17777 Kirsty Taggart, Universities Space Research Association Confirming the first progenitor candidate of a rare type Ibn supernova
18036 Monique Aller, Georgia Southern University Res. & Svc. Foundation, Inc Multiwavelength Extinction Curves in Distant Galaxies
18044 Yuri Izotov, National Academy of Sciences of Ukraine, BITP UV spectroscopy of extremely metal-poor dwarf compact star-forming galaxies with exceptionally strong HeII 4686 emission
18061 Michael Jones, California Institute of Technology Hubble Census of Nearby Satellites
18114 Gabriele Cugno, Universitat Zurich Unveiling Hidden Protoplanets: Direct Extinction Measurement at Optical Wavelengths in the Planet-Formed Gap of AS209
Calibration Observations Scheduled
17947 Aidan Pidgeon, Space Telescope Science Institute WFC3 UVIS CCD Daily Monitor Part 2
17969 Benjamin Kuhn, Space Telescope Science Institute WFC3 UVIS Pixel-to-Pixel QE Variations via Internal Flats
17977 Alyssa Guzman, Space Telescope Science Institute CCD Daily Monitor (Part 1)
18155 Matthew Dallas, Space Telescope Science Institute STIS CCD Dark Monitor Part 2
18157 Joshua Lothringer, Space Telescope Science Institute STIS CCD Bias and Read Noise Monitor Part 1
18160 Sergio Dieterich, Space Telescope Science Institute STIS CCD Spectroscopic Flats
Other Observations Scheduled
15601 David Sahnow, Space Telescope Science Institute COS FUV DCE Memory Dump